GB 52-1976
Single chamfered hexagon nut
GB 53-1976
Hexagon thin nuts
GB 53-1976
Single chamfered hexagon thin nuts
GB/T 6184-1986
Prevailing torque type all, metal nuts ,style 1
GB 54-1976
Hexagon nuts
GB 54-1976
Single chamfered hexagon nuts
GB 55-1976
Hexagon thick nuts
GB/T 6182-2016
Prevailing torque type hexagon nuts(with non-metallic insert),style 2
GB/T 6185.1-2016
Prevailing torque type all-metal hexagon nuts,style 2
GB/T 6185.2-2016
Prevailing torque type all-metal hexagon nuts,style 2—Fine pitch thread
GB/T 6175-2016
Hexagon nuts,style 2
GB/T 6175-2016
Single chamfered small hexagon nut,style 2
GB/T 18195-2000
Hexagon nuts for fine mechanics
GB/T 6176-2016
Hexagon nuts,style 2,Fine pitch thread
GB/T 6176-2016
Single chamfered small hexagon nut,style 2,Fine pitch thread
GB/T 6181-1986
Hexagon thin slotted nuts
GB/T 6179-1986
Hexagon slotted nuts,style 1
GB/T 817-1988
Slotted round nuts—Type A
GB/T 817-1988
Slotted round nuts—Type B
GB/T 9125-2010
Fasteners for pipe flange joints—Double end studs—Commodity fastener L≤2b
